Fact-checked by Grok 2 weeks ago

Twilio

Twilio Inc. is a San Francisco-headquartered software company founded in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis, specializing in cloud-based communications platforms that offer application programming interfaces () for developers to embed programmable voice, messaging, video, , and services into custom applications. The company pioneered the communications platform as a service (CPaaS) model, enabling scalable integration of real-time customer engagement tools without reliance on traditional infrastructure. Twilio went public on the in June 2016 under the ticker TWLO, marking a significant milestone in its expansion to serve hundreds of thousands of global customers, including enterprises such as , , and . Twilio has been repeatedly recognized as a leader in the CPaaS market by analyst firms, including the highest positioning for ability to execute in Gartner's 2025 . However, the company has encountered security challenges, including a 2022 attack compromising employee credentials and leading to unauthorized access to for over 160 organizations, as well as a 2024 breach exposing 33 million phone numbers linked to its Authy two-factor authentication service.

Overview

Business Model and Core Offerings

Twilio operates a usage-based business model centered on delivering cloud communications infrastructure via application programming interfaces (APIs), enabling developers and enterprises to embed scalable voice, messaging, and video functionalities into their software applications. Revenue is primarily generated through pay-as-you-go pricing, where customers incur charges per discrete unit of consumption—such as $0.0075 per outbound SMS message or per-minute fees for voice calls—allowing costs to align directly with usage volume without upfront commitments. This model supports rapid scalability, with messaging and voice services accounting for the majority of total revenue as of late 2024. Subscription fees apply to select premium features or platforms, but the core pay-per-action structure facilitates low-barrier entry for developers prototyping solutions before enterprise expansion. At its foundation, Twilio's core offerings comprise programmable communications that abstract complex protocols into simple, code-accessible tools. The Programmable Messaging API supports sending and receiving transactional , , , , and other channel messages, with capabilities for delivery tracking, media handling, and global reach across 180+ countries via partnerships with over 1,500 tier-1 carriers. Complementing this, the Programmable API enables programmatic initiation, routing, recording, and modification of PSTN calls, conferences, and queues, often integrated into or apps for automated interactions like alerts or verifications. Additional extend to delivery with high inbox placement rates (91.3% average) and video for real-time communication sessions. Twilio augments these APIs with integrated platforms for enhanced customer engagement, including Twilio Segment for unifying customer data profiles in real-time and Twilio Flex, a cloud contact center solution customizable via APIs for omnichannel support. AI-driven tools and data analytics are embedded to optimize interactions, such as predictive routing or sentiment analysis, fostering a shift from siloed communications to data-informed, personalized experiences. This ecosystem targets a developer-led sales motion, where initial API adoption by individuals scales to organizational deployments, driving net revenue retention through expanding use cases.

Leadership and Organizational Structure

Twilio's is Khozema Shipchandler, appointed on January 8, 2024, following the of co-founder Jeff Lawson. Lawson, who co-founded the company in 2008 alongside Evan Cooke, had served as CEO since inception but stepped down amid scrutiny from activist investors seeking operational improvements and cost efficiencies. Shipchandler, previously president of Twilio's communications business unit, brings over 25 years of experience in and customer data platforms. The senior executive team reports to Shipchandler and oversees key functional areas. Aidan Viggiano serves as , managing financial operations since joining in 2019. Christy Lake acts as , directing people operations and legal functions. Thomas Wyatt leads as , focusing on sales and customer engagement strategies. Inbal Shani, , heads efforts. Chris Koehler manages global marketing as , while Ivy Grant, senior vice president of strategy and operations, coordinates cross-functional planning. The board of directors, chaired by Jeff Epstein since January 2024, provides strategic oversight and includes independent members such as Charlie Bell (appointed March 2023), , , , Erika Rottenberg, Miyuki Suzuki, and Andy Stafman (appointed April 2024). Shipchandler also serves on the board. Committees include audit (chaired by Epstein), compensation, and governance structures aligned with public company standards. Twilio's emphasizes and product development, with approximately 5,466 employees as of June 30, 2025. constitutes the largest group, representing about 45% of staff and enabling rapid scaling through autonomous, customer-focused teams. The company operates globally with functional divisions in , , and operations, supporting its API-driven communications .

History

Founding and Early Development (2008–2015)

Twilio was founded in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis, with initial operations in Seattle, Washington, and , . The company's origins stemmed from Lawson's experiences as at , where integrating voice and messaging functionalities into applications proved cumbersome due to fragmented infrastructure; he envisioned a cloud-based platform that would enable developers to embed programmable communications simply via code. On November 20, 2008, Twilio launched its inaugural product, the Programmable Voice API, which allowed developers to make and receive phone calls hosted entirely in the cloud, bypassing traditional telephony complexities. This was followed approximately 18 months later by the Programmable Messaging API for SMS capabilities, addressing growing demand for text-based interactions in applications. By 2013, the platform expanded with the addition of MMS support and SIP trunking for connecting legacy systems to cloud services, enhancing reliability for business-critical uses. Early funding supported product development and market expansion. Twilio secured seed capital, including an approximately $800,000 round led by and , followed by a $125,000 extension from . In December 2009, it raised $3.7 million in Series A funding to bolster engineering, sales, and marketing. The Series B round of $12 million followed in November 2010, led by with participation from and 500 Startups. Subsequent rounds included $17 million in Series C funding in December 2011 and $70 million in Series D in June 2013, culminating in a $130 million Series E in July 2015 led by and , with strategic investments from Amazon.com and Salesforce Ventures. These infusions enabled scaling infrastructure to handle increasing developer adoption. By mid-2012, Twilio had surpassed active accounts, reflecting rapid uptake among builders creating applications in and ecosystems, such as group messaging tools. The platform's pay-as-you-go pricing model, combined with simplicity, drove without heavy reliance on traditional sales channels initially, though features were iteratively added to support larger deployments. This period established Twilio as a pioneer in , prioritizing empowerment over carrier dependencies.

Initial Public Offering and Expansion (2016–2019)

Twilio Inc. completed its on June 23, 2016, listing Class A common shares on the under the TWLO at an initial price of $15 per share. The shares opened trading at $23.99 and closed at $29.34, delivering a first-day gain of approximately 96% and raising about $150 million in gross proceeds before underwriting discounts. This debut marked the first U.S. venture-backed technology IPO of 2016, occurring amid broader market volatility including uncertainties. Following the IPO, Twilio reported robust expansion driven by increasing adoption of its communication among developers and enterprises. 2016 reached $277.6 million, growing 44% year-over-year to $399.0 million in 2017. By 2019, had surged to $1.13 billion, a 75% increase from 2018, reflecting strong demand for programmable voice, messaging, and emerging services like video. The company's dollar-based net expansion rate, measuring retention and growth from existing customers, averaged over 120% during this period, underscoring effective customer monetization amid scaling infrastructure investments. Strategic acquisitions bolstered Twilio's platform diversification. In October 2018, Twilio announced its largest deal to date, an all-stock acquisition of SendGrid valued at approximately $3 billion in enterprise value, which closed on February 1, 2019, integrating email APIs to complement core SMS and voice capabilities. This move targeted transactional and marketing email markets, adding over 400 employees and expanding Twilio's addressable market beyond traditional telephony. Meanwhile, the company's stock performance reflected investor confidence, with shares rising more than 400% from IPO levels by December 2018. International revenue also grew significantly, comprising 16% of total revenue in 2016 and rising to higher proportions by 2017 through global API expansions.

Growth Challenges and Strategic Shifts (2020–2025)

During the in 2020, Twilio benefited from heightened demand for digital communication solutions, driving a surge of over 240% as and virtual interactions accelerated adoption of its . However, as pandemic-related tailwinds faded by 2022, the company encountered decelerating revenue growth, with annual sales expansion averaging 11.6% over the subsequent three years, falling short of earlier hyper-growth expectations amid broader shifts prioritizing profitability over expansion. Additional pressures included persistent erosion, attributed to product mix changes and competitive dynamics in , alongside investor scrutiny over sustainable scaling in a maturing . To address these challenges, Twilio initiated cost-discipline measures, including multiple workforce reductions. In September 2022, the company laid off approximately 11% of its employees—around 1,000 positions—to streamline operations and achieve profitability in 2023, incurring estimated charges of $70–90 million. This was followed in February 2023 by further cuts affecting 17% of the workforce, or about 1,500 employees, as part of broader efforts to reduce overhead and refocus on core priorities like efficiency and . Leadership transitioned amid these changes, with the CEO departing in January 2024 following cumulative layoffs and heightened investor demands for improved margins. By 2025, these shifts yielded signs of stabilization, with organic revenue growth accelerating to 13% year-over-year in the second quarter and full-year guidance raised to 9–10%, reflecting improved execution in high-value segments like AI-integrated communications. Twilio also reported progress toward consistent profitability, with non-GAAP operating income and positive trends emerging over the prior five years, though challenges like intermittent negative market reactions to earnings persisted. These adaptations underscored a from aggressive acquisition-fueled expansion to operational rigor, enabling modest recovery in stock performance and valuation amid ongoing sector competition.

Products and Technology

Programmable Communication APIs

Twilio's Programmable Communication APIs form the foundational layer of its cloud communications platform, enabling developers to embed customizable voice, messaging, and video functionalities into software applications via RESTful web services and client SDKs. These APIs abstract the complexities of carrier networks, providing global reach to over 180 countries with pay-as-you-go pricing based on usage metrics such as per-message or per-minute charges. Developers interact with the APIs using HTTP requests to initiate actions like sending messages or establishing calls, often orchestrating behaviors through TwiML, Twilio's XML-based instruction set for defining communication flows. The Programmable Voice facilitates the creation of outbound and inbound phone calls entirely in the , supporting features such as call recording, transcription, conferencing, and real-time modifications during active sessions. Applications can use the to generate calls via POST requests to the Calls resource, specifying parameters like destination numbers and TwiML URLs for handling call logic, including (IVR) for digit collection or . Additional capabilities include queue management for call centers and integration with trunks for bridging traditional systems, ensuring scalability for high-volume operations. Programmable Messaging API handles the sending, receiving, and management of text-based communications, including , , and channel-specific messages via or , all through a unified interface. It supports transactional use cases like alerts, verifications, and notifications, with built-in tools for phone number provisioning, delivery status tracking, with regulations such as TCPA, and handling replies or attachments. For instance, developers can create messaging services to route inbound messages and apply filters for opt-outs or prevention, achieving reliable global delivery with localized sender IDs. The Programmable Video API enables the building of real-time video applications, including one-to-one calls, group conferences, and interactive broadcasts, managed server-side via endpoints for resources like Rooms and Participants. Key features encompass room creation with configurable modes (e.g., group small or large), participant tracking, media stream controls, and automated recordings with options for composition tracks or individual streams. Client-side SDKs for , , and handle local capture, rendering, and WebRTC-based peer connections, allowing customization for bandwidth adaptation and noise suppression. These APIs integrate with Twilio's broader ecosystem, including AI enhancements for transcription and , and support for experiences through the Conversations API, which unifies messaging across modalities. Adoption has driven Twilio's revenue, with messaging and voice segments contributing significantly to usage-based growth amid expanding developer ecosystems.

Integrated Platforms and Tools

Twilio's integrated platforms extend its core APIs by combining communication capabilities with data management, automation, and user interfaces to enable comprehensive solutions. These platforms allow developers and enterprises to deploy scalable, customizable tools without building from scratch, incorporating features like AI-driven workflows and real-time personalization. Key offerings include Twilio Flex for contact centers, Twilio Segment as a , Twilio Engage for marketing orchestration, and Twilio Frontline for frontline employee interactions. Twilio Flex is a programmable center platform launched to support multichannel interactions, including voice, , , and video, with customizable agent interfaces and integrations for tasks like routing and . It features a layer introduced in updates as of 2023, enabling dynamic of sales and service experiences, and scales to handle high-volume operations without on-premises hardware. Businesses use Flex to integrate third-party tools such as platforms and automations, reducing setup time compared to traditional centers. Twilio serves as a that collects, unifies, and activates first-party data from multiple sources to fuel personalized communications across channels. Acquired by Twilio in and integrated into its ecosystem, supports real-time data syncing with for segmentation and audience building, powering over 25,000 companies as of 2023. It emphasizes compliance with privacy regulations like GDPR through features such as controls, distinguishing it from less structured tools by prioritizing actionable, consented data flows. Twilio Engage, built atop and launched on October 20, 2021, functions as a growth automation platform for orchestrating campaigns using customer intent signals derived from behavioral data. It enables marketers to automate journeys with dynamic personalization, such as triggered emails or based on live events, and updated in July 2025 to enhance for faster response times. Unlike static campaign tools, Engage leverages Twilio's communication for execution, reporting higher rates through context-aware delivery. Twilio Frontline, introduced in private beta on September 30, 2020, equips non-technical frontline workers—such as sales or store staff—with mobile-first tools for customer messaging and relationship management via , , and voice. It integrates data and communication logs to facilitate context-rich conversations, supporting use cases like appointment scheduling or issue resolution without requiring custom coding. The platform's design focuses on embedding comms into existing workflows, with reported improvements in response times for enterprise teams handling high-interaction volumes. These platforms interconnect via Twilio's unified , allowing data from to inform Flex routing or Engage campaigns, while builder tools like Twilio Studio provide low-code flows for custom integrations. has grown with demands for AI-enhanced , though requires API familiarity to optimize costs tied to usage-based pricing.

Open-Source Initiatives

Twilio develops and maintains open-source software development kits (SDKs) and helper libraries for integrating its communication s into applications across multiple programming languages, including , , , , Go, , and C#. These repositories, hosted on under the twilio organization, facilitate programmatic access to services like , voice calls, and video, with over 200 repositories collectively supporting developer adoption and customization. Twilio Labs, an internal innovation group, hosts and contributes to a range of open-source projects aimed at enhancing developer experience and extending Twilio's ecosystem, with more than 100 repositories under its organization. Notable projects include the Serverless Toolkit for local development and deployment of Twilio Functions; the Twilio CLI, a .js-based for managing Twilio resources; Flex Plugin Builder for customizing the Twilio Flex contact center platform; Guardrail, a code generation tool from OpenAPI specifications; SOCless, a for security orchestration; and DX Automator for automating repository management. These initiatives emphasize community contributions, with explicit invitations for code, documentation, and bug fixes via pull requests, governed by a Contributor Covenant code of conduct. An early example of Twilio's open-source efforts is OpenVBX, launched on June 15, 2010, as a web-based, PHP-powered phone system for businesses that leverages Twilio's to enable features such as programmable call flows, voicemail, individual extensions, and plugin integrations for third-party services. The project, available on , supports self-hosting on standard web servers and includes drag-and-drop interface customization, though it requires a valid SSL certificate for functionality with Twilio services. Twilio further promotes open-source participation through educational resources, such as tutorials on contributing to projects via forking and pull requests, and internal events like hackathons that encourage API-based open-source experimentation. The company maintains separate organizations for professional services samples and community-driven tools, underscoring a structured approach to fostering external developer involvement while prioritizing verifiable contributions over unvetted inputs.

Acquisitions and Mergers

Major Acquisitions

Twilio's largest acquisition was , a cloud-based delivery service, completed on February 1, 2019, for approximately $3 billion in an all-stock transaction initially valued at $2 billion but adjusted due to price appreciation. The deal aimed to expand Twilio's capabilities in transactional and marketing communications, integrating as a to enhance platforms. In November 2020, Twilio acquired , a , for $3.2 billion in an all-stock deal announced in October 2020 and closed on November 2, 2020. 's technology enabled unified data collection from multiple sources, supporting Twilio's strategy to build comprehensive customer intelligence tools for personalized communications. Twilio further bolstered its messaging portfolio with the acquisition of Zipwhip, a provider of toll-free services, announced on May 17, 2021, and completed on July 14, 2021, for $850 million in a mix of cash and stock. Zipwhip's carrier partnerships and enterprise texting features were intended to accelerate Twilio's growth in business-to-consumer messaging channels. Earlier acquisitions included Authy in February 2015, a two-factor provider, to secure tools, though terms were undisclosed. In 2018, Twilio purchased Ytica, a speech firm, for an undisclosed amount to advance its Flex contact center platform. These moves reflect Twilio's pattern of targeting complementary technologies in communications and , with total acquisitions reaching 11 by 2025, though smaller deals like Ionic Security for $30.2 million in May 2021 focused on niche data protection enhancements.

Integration Outcomes and Strategic Rationale

Twilio's acquisition of in February 2019 for approximately $3 billion in stock aimed to expand its programmable communications platform by incorporating a leading API service, thereby enhancing multichannel capabilities. The strategic rationale centered on combining SendGrid's delivery infrastructure with Twilio's and messaging to address growing demand for integrated communication tools, positioning Twilio as a comprehensive provider in a market projected to exceed $66 billion in addressable opportunity at the time. Post-acquisition integration proceeded smoothly, with operating as a while its technology was embedded into Twilio's ecosystem, contributing to sustained revenue growth in services without reported major disruptions. The $3.2 billion all-stock acquisition of Segment in November 2020 sought to address data silos in customer interactions by adding a customer data platform (CDP) that unifies behavioral data across sources, enabling more personalized and timely engagement via Twilio's channels. Strategically, this move shifted Twilio from a low-margin API provider toward a higher-value unified engagement platform, leveraging Segment's developer-centric tools to build intelligence into communications and compete in the burgeoning CDP market. Integration outcomes included Segment functioning as a Twilio division, with gradual feature overlaps such as CDP enhancements feeding into Twilio's personalization capabilities, though full synergies required ongoing development of integrated tools. In contrast, the July 2021 acquisition of Zipwhip for $850 million in cash and stock targeted bolstering Twilio's U.S. toll-free messaging segment, where Zipwhip held significant carrier partnerships and served enterprise SMS needs. The rationale emphasized acquiring trusted messaging infrastructure to accelerate Twilio's messaging business unit amid rising demand for compliant business texting. However, integration faltered, leading Twilio to announce the shutdown of Zipwhip's standalone service in November 2022, with full sunsetting by December 2023 after migrating customers to Twilio's core platform; this resulted in operational redundancies and potential customer attrition, highlighting challenges in absorbing specialized assets at a premium valuation. Across these deals, Twilio's overarching strategy involved layering acquisitions onto its foundation to construct an end-to-end stack, prioritizing developer tools and data-driven personalization over siloed channel expansions. While and yielded additive platform value, Zipwhip's discontinuation underscored risks of overpaying for niche capabilities that proved integrable but non-essential, contributing to broader scrutiny of Twilio's M&A efficiency amid profitability pressures.

Financial Performance

Revenue Growth and Profitability

Twilio's revenue expanded significantly following its 2016 initial public offering, driven by adoption of its communication APIs across industries, with annual growth rates surpassing 60% in 2017 and 2018. By 2020, revenue reached $2.84 billion, reflecting a 61% year-over-year increase amid heightened demand for digital communications during the COVID-19 pandemic. Growth accelerated further to 35% in 2021, yielding $3.83 billion, before decelerating to approximately 8% in 2022 ($3.83 billion to $4.15 billion) and sustaining low single-digit rates thereafter, with 2023 revenue at $4.154 billion (up 8.56%) and 2024 at $4.458 billion (up 7.32%). This slowdown coincided with macroeconomic pressures, intensified competition, and internal restructuring efforts, including divestitures of non-core assets like Zipwhip in 2023 to streamline focus on high-margin segments.
YearRevenue (in billions USD)Year-over-Year Growth (%)Net Income/Loss (in millions USD)
20202.8461(491)
20213.8335(950)
20223.838(1,260)
20234.1548.56(1,015)
20244.4587.32(109)
Data compiled from financial filings; net losses persisted due to high stock-based compensation, acquisition-related expenses, and investments in sales and R&D. On profitability, Twilio reported consistent net losses through 2023, averaging over $1 billion annually from 2021 to 2023, attributable to aggressive expansion costs outpacing revenue gains and diluted margins from lower-growth acquisitions. Gross margins improved steadily, reaching approximately 51% in 2024 from 47% in 2020, supported by scale efficiencies in core messaging and voice services. Under CEO Khozema Shipchandler's leadership from 2023, cost-cutting measures—including multiple layoffs totaling over 20% of staff by 2024 and a "ruthless prioritization" of profitable customer segments—yielded quarterly GAAP operating income positivity starting in late 2023, with Q1 2025 reporting $23 million GAAP net income and Q2 2025 revenue of $1.23 billion alongside $37 million GAAP operating income. Annual net loss narrowed to $109 million in 2024, reflecting non-GAAP operating margins approaching 20% and free cash flow positivity of $263 million in Q2 2025, though full-year GAAP profitability remains elusive amid ongoing equity compensation and interest expenses. These shifts align with investor demands for sustainable margins over unchecked growth, as evidenced by activist involvement from entities like Legion Partners in 2022.

Stock Performance and Market Valuation

Twilio Inc. (NYSE: TWLO) completed its on June 23, 2016, pricing shares at $15 each and closing the first trading day at approximately $27, a 92% increase that valued the company at over $4 billion on debut. The stock benefited from robust post-IPO momentum, fueled by accelerating revenue from its platform amid rising demand for programmable , climbing to an all-time high closing price of $443.49 on February 18, 2021. This peak reflected a exceeding $70 billion at the time, with shares appreciating over 1,500% from the IPO price, though such gains were typical of high-growth tech stocks during the low-interest-rate environment preceding broader market shifts. Post-2021, TWLO experienced a prolonged decline, dropping more than 85% from its peak by mid-2022 to lows around $60 per share, attributed to decelerating —from over 50% year-over-year in 2020 to single digits by —persistent net losses, rising interest rates pressuring valuations, and operational challenges including churn in non-core segments. The stock's volatility persisted into -2024, with intermittent recoveries tied to cost-cutting initiatives and divestitures, such as the sale of non-strategic assets, but shares remained below $100 for much of this period amid investor scrutiny over path to profitability. By early 2025, TWLO had stabilized somewhat, posting year-to-date gains of approximately 4% through October, closing at $112.56 on October 24, 2025, following quarterly earnings beats like Q2 2025's $1.19 surpassing estimates. However, post-earnings reactions often highlighted concerns over thin margins and non- reliance, as seen in an 18% single-day drop after Q2 results despite of 13% year-over-year to $1.23 billion. As of October 2025, Twilio's market capitalization stood at approximately $17.3 billion, with an enterprise value of around $14.7 billion. Valuation metrics reflected a more mature profile compared to peak years, trading at a trailing price-to-sales (P/S) ratio of about 3.4—down from historical averages exceeding 9—and an EV/revenue multiple of 3.1, based on trailing twelve-month revenue near $4.2 billion and 2025 full-year estimates of $4.94 billion. The forward P/E ratio hovered at 20.2, incorporating expectations for improved earnings through efficiency measures, though trailing P/E remained elevated above 1,000 due to ongoing net losses. These multiples positioned Twilio below many SaaS peers during growth phases but above profitable incumbents, signaling market bets on sustained organic revenue expansion of 9-10% for 2025 amid AI integrations and core segment focus.
Key Stock MilestonesClosing PriceMarket Cap (approx.)
IPO (June 23, 2016)$27 (first day)$4B+
Peak (Feb 18, 2021)$443.49$70B+
2022 Low~$60$10B
Oct 24, 2025$112.56$17.3B

Investor Relations and Activist Pressures

Twilio encountered mounting scrutiny from activist investors in , driven by a protracted decline in its stock price, which fell to approximately $66 per share by December amid slowing growth and profitability challenges. These investors, including Legion Partners and Anson Funds, publicly urged the company to explore a full or divestitures of underperforming assets to unlock . In response, Twilio retained in December to advise on shareholder engagement and activist defense strategies. Sachem Head Capital Management intensified pressures in 2024, nominating candidates and advocating for board overhaul to address perceived operational inefficiencies and strategic missteps. To mitigate escalation, Twilio appointed Andy Stafman, a partner at Sachem Head, to its board of directors on April 3, 2024, signaling concessions to activist demands for fresh governance perspectives. This move coincided with a broader board shakeup announced shortly thereafter, which analysts viewed as a direct effort to preempt proxy contests and renew investor confidence. Activist campaigns persisted into August 2024, with Sachem Head highlighting Twilio's undervaluation and pushing for accelerated cost-cutting measures, including prior workforce reductions that eliminated about 17% of staff in late 2023. These efforts underscored tensions in , where management defended its focus on core programmable communications while facing calls for more aggressive restructuring. Despite these interventions, Twilio's remained volatile, reflecting ongoing debates over long-term value creation versus short-term shareholder returns.

Controversies and Security Incidents

Data Breaches and Phishing Attacks

In August 2022, Twilio disclosed a security incident stemming from a phishing attack on its employees, where threat actors used social engineering tactics, including SMS and voice phishing (vishing), to obtain credentials and gain unauthorized access to internal tools such as the customer support console and proprietary portals. The attack, attributed to actors employing sophisticated credential theft methods, allowed intruders to access data for approximately 163 customer accounts, exposing information including names, email addresses, phone numbers, and partial Segment data for some users; initial access occurred as early as June 29, 2022, via a vishing incident, with activity persisting until detection. Twilio reported that the breach did not compromise core services or production environments but highlighted vulnerabilities in employee training and multi-factor authentication enforcement against targeted phishing. The 2022 incident affected high-profile customers, including Signal, where attackers potentially viewed phone numbers and verification codes for about 1,900 users, though no evidence of further exploitation like SIM swaps was confirmed by Signal. Twilio's response included notifying impacted customers, enhancing monitoring, and implementing stricter controls, but the event underscored supply-chain risks in communication platforms, as compromised access could cascade to downstream users. In July 2024, Twilio confirmed a data exposure incident involving its Authy two-factor authentication service, where threat actors exploited an unauthenticated API endpoint to scrape phone numbers and associated metadata, such as device counts and lock status, for up to 33 million user accounts. The breach, claimed by the ShinyHunters group who leaked a sample dataset, did not access Authy tokens, seeds, or other authentication data, but the exposed phone numbers increased risks for targeted phishing or SIM-swapping attacks on users relying on SMS-based recovery. Twilio deprecated the vulnerable endpoint, urged users to migrate to app-based authenticators, and enhanced API security, noting the issue stemmed from legacy design flaws rather than active intrusion into secured systems. In response to the August 2022 phishing attack on Twilio employees, which compromised credentials and exposed contact information for approximately 163 organizations, no major lawsuits or regulatory fines were reported as of late 2025. The incident, attributed to social engineering tactics by the Oktapus group, led Twilio to notify affected parties and implement enhanced employee training and measures, but federal agencies such as the or FCC did not initiate public enforcement actions specifically targeting the breach. Following the July 2024 disclosure of the Authy breach, where threat actors exploited an unauthenticated API endpoint to harvest phone numbers associated with 33.4 million users, several U.S. law firms launched investigations into potential class action claims alleging negligence in data protection. These probes focus on claims that Twilio failed to secure sensitive user identifiers, potentially enabling follow-on phishing or SIM-swapping attacks, though no formal complaints had been certified or settled by October 2025. Regulatory bodies have not imposed fines under frameworks like GDPR or CCPA for this event, despite the exposure of verifiable phone numbers without passwords or tokens. Twilio's SEC filings acknowledge ongoing risks of regulatory scrutiny for security incidents under laws like the GDPR, which could result in data processing bans or deletion orders, but no such interventions have materialized from the breaches. Separately, while not directly tied to breaches, Twilio faced a 2023 cease-and-desist order from the FCC for facilitating illegal robocalls and an ACMA infringement notice in Australia for SMS anti-scam violations, highlighting broader compliance pressures on its messaging infrastructure.

Impacts on Users and Customers

In the August 2022 phishing attack on Twilio employees, attackers accessed internal tools and viewed contact information—including names and phone numbers—for 163 customer organizations, enabling subsequent targeted and credential theft attempts against those entities. This supply-chain exposure amplified risks for end-users of Twilio-dependent services, as compromised customer data facilitated broader attacks; for example, Signal, which relies on Twilio for phone verification, notified approximately 1,900 users that their phone numbers were potentially visible to hackers, prompting recommendations to enable registration locks and monitor for unauthorized access. The May 2024 breach of Twilio's Authy two-factor authentication service exposed phone numbers and associated metadata for up to 33 million users from an unauthenticated legacy database, heightening vulnerability to SIM-swapping attacks where fraudsters impersonate victims to seize control of phone numbers and circumvent SMS-based 2FA. Affected users reported increased phishing attempts exploiting the leaked data, leading Twilio to advise enabling account PINs, deleting unused Authy backups, and transitioning to app-based authenticators to mitigate takeover risks. Customers integrating Authy faced operational disruptions, including the need to overhaul authentication workflows and notify their own user bases of potential exposure. Allegations in April 2025 of a SendGrid platform breach—Twilio's email service—claimed exposure of data for 848,000 customers, including email addresses, API keys, and message histories, which could enable unauthorized campaign access, spam injection, or phishing escalation; however, Twilio denied the incident constituted a verified breach and attributed the leaked data to prior public exposures or misconfigurations. If substantiated, such an event would impose remediation burdens on customers, including credential rotations and compliance audits, exacerbating trust erosion in Twilio's ecosystem. Across these incidents, users and customers experienced indirect harms like elevated fraud rates and compliance costs, underscoring Twilio's role in cascading security failures for downstream services handling sensitive communications.

Market Position and Industry Impact

Competitive Landscape and Achievements

Twilio operates in the competitive Communications (CPaaS) market, where it faces rivals such as Sinch, , Telnyx, Plivo, (formerly Nexmo), , and MessageBird, which offer similar APIs for messaging, voice, and video communications. These competitors often emphasize cost advantages, specialized features like integration, or regional strengths to challenge Twilio's dominance, particularly in pricing-sensitive segments for . Twilio maintains a leading position with an estimated global exceeding 24%, supported by its extensive developer ecosystem and enterprise-scale reliability. Independent analyses, including Metrigy's CPaaS MetriRank 2025, affirm Twilio as the uncontested leader, ahead of challengers in metrics like and . This edge stems from early standardization and integrations with major clouds, enabling scalable deployments for high-volume use cases. Key achievements include repeated recognition as a Leader in analyst evaluations: for the fifth consecutive year in the IDC MarketScape: Worldwide CPaaS 2025 Vendor Assessment, praised for strategy and execution. Twilio also ranked highest in Ability to Execute and first in four of six use cases in the 2024 Gartner Magic Quadrant for CPaaS. Additionally, Omdia named it a leader in CPaaS, Customer Engagement Platforms, and Customer Data Platforms in 2025 reports, highlighting its role in data-driven communications. The platform powers over 335,000 active customer accounts and 10 million developers, facilitating billions of interactions annually.

Criticisms and Operational Challenges

Twilio has faced recurring operational challenges related to service reliability, including multiple outages that disrupted core communications functions. On March 28, 2022, a major API infrastructure failure caused widespread downtime for SMS, voice, video, and serverless services, lasting from 13:32 UTC to 17:12 UTC and affecting regions such as Yemen and Bangladesh, leading to delivery delays and operational halts for dependent applications. Similarly, between February 23 and 24, 2021, carrier network and API issues resulted in SMS and voice delivery failures, console access problems, and login disruptions across Europe, the Middle East, and Africa, with resolution extending over a day. These incidents highlight patterns of dependency on external carriers and infrastructure, contributing to SMS delivery delays as a frequent issue. Customer and developer feedback has emphasized persistent reliability shortcomings, such as reproducible SMS and voice failures that Twilio has not consistently addressed, exacerbating frustrations during high-volume usage. Support responsiveness has drawn criticism for lacking technical depth and resolution capability, with users reporting that issues persist despite escalation due to inadequate product expertise among teams. In user reviews aggregated on platforms like Trustpilot, Twilio scores a low 1.1 out of 5, with complaints centering on unresolved service interruptions and poor handling of disruptions. Scalability challenges emerge particularly in products like Twilio Flex, where initial user interfaces and workflows suitable for small teams degrade at higher volumes, such as 500 users, resulting in performance bottlenecks, cluttered layouts, and inefficient manual processes. Developers have noted difficulties in configuration due to unclear documentation and complex setup, compounded by slow support response times, which hinder efficient scaling of applications. Cost structures also pose operational hurdles, with per-message pricing (around 1 cent per SMS) scaling poorly for high-volume operations, limiting accessibility for growing services despite volume discounts. Additionally, the platform's console and interfaces have been described as glitchy and slow, with frequent redirects disrupting workflows and extending login times unacceptably for a multi-billion-dollar provider. These factors collectively strain operational efficiency for enterprises reliant on Twilio's APIs.

Broader Influence on Communications Technology

Twilio's development of for services fundamentally shifted the industry toward programmable communications, enabling software developers to integrate voice, messaging, and video functionalities into applications without requiring direct carrier relationships or specialized telecom hardware. Launched in , Twilio's abstracted complex telecom protocols into simple, scalable code, allowing non-experts to build custom communication features, such as automated notifications or programmable voice calls, which previously demanded significant infrastructure investment. This model pioneered the Communications Platform as a Service (CPaaS) paradigm, virtualizing global telecom infrastructure and reducing barriers to entry for startups and enterprises. By 2025, Twilio's platform facilitated over 157 billion messages and 1.7 trillion emails annually, powering applications in sectors like ride-sharing (e.g., Uber's driver notifications) and e-commerce, where real-time, two-way communications became integral to user experiences. Analyst evaluations, including Gartner's Magic Quadrant, have consistently positioned Twilio as a leader in CPaaS for its completeness of vision and execution, attributing this to its API-driven approach that standardized developer access to channels like SMS, voice, and emerging protocols such as RCS (Rich Communication Services). Twilio's influence extended to fostering an ecosystem of innovation, inspiring competitors like and while contributing to the broader of API-first architectures in . This democratization lowered costs—programmable messaging, for instance, improved delivery rates by up to 3% and developer efficiency by 15% in studied implementations—and accelerated the transition from siloed carrier services to cloud-native, -integrated communications. However, reliance on such platforms has raised concerns about and dependency on third-party for critical functions, though empirical underscores Twilio's role in scaling global for over 300,000 active customer accounts by mid-2025.

References

  1. [1]
    Twilio - Crunchbase Company Profile & Funding
    Twilio is a cloud communication company that enables users to use standard web languages to build voice, VoIP, and SMS apps via a web API. Founded.
  2. [2]
    Twilio Inc. (TWLO) Business Profile - stockrow
    Jan 11, 2025 · Founded in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis, Twilio is headquartered in San Francisco, California.
  3. [3]
    About the Cloud Communications Company - Twilio
    Khozema Shipchandler · Aidan Viggiano · Christy Lake · Thomas Wyatt · Inbal Shani · Chris Koehler · Ivy Grant · Khozema Shipchandler.Jobs | Twilio · Twilio Magic · Company · Culture
  4. [4]
    Twilio Recognized as a Leader in the 2025 Gartner® Magic ...
    Jul 24, 2025 · Twilio was named a Leader in the 2025 Gartner Magic Quadrant for CPaaS, for the third consecutive year, based on Completeness of Vision and ...Missing: position | Show results with:position
  5. [5]
    When Did Twilio Go Public | StatMuse Money
    Twilio (TWLO) went public on June 23, 2016, when it opened at $23.99.
  6. [6]
    Twilio customer
    Join the ranks of more than 290000 forward-thinking companies using Twilio to achieve the ultimate relationship with customers.Tillster Customer Story · Shopify How Twilio Flex... · Earnest Customer Story
  7. [7]
    Twilio Customers List | Connect With 25K+ Customers - InfoClutch
    Some of the top companies that use Twilio in their tech stack are Reddit, Airbnb, and Uber. With our Twilio customers list, you can quickly plan your ...
  8. [8]
    2025 Gartner Magic Quadrant for CPaaS - Twilio
    Twilio is again named a Leader in the 2025 Gartner® Magic Quadrant™ for CPaaS · Positioned highest for Ability to Execute in the 2025 Gartner® Magic Quadrant™ ...Missing: position | Show results with:position
  9. [9]
    Twilio Confirms Data Breach After Hackers Leak 33M Authy User ...
    Jul 4, 2024 · Twilio this week confirmed suffering a data breach after hackers leaked 33 million phone numbers associated with the Authy application.Missing: controversies | Show results with:controversies
  10. [10]
    Why the Twilio Breach Cuts So Deep - WIRED
    Aug 26, 2022 · The communication company Twilio suffered a breach at the beginning of August that it says impacted 163 of its customer organizations.Missing: controversies | Show results with:controversies
  11. [11]
    How Did Twilio Build a Multi-Billion Dollar Empire With Usage ...
    Aug 4, 2025 · The Twilio Pricing Model: Pay as You Grow ; Per-action charges: Fees for specific actions like sending an SMS ($0.0075 per message), making a ...
  12. [12]
    Twilio: Communications APIs with AI and data for SMS, Voice, Email
    This website uses cookies and similar technologies to collect information ... Sign up for a free Twilio account and grab one of our official server-side SDKs to ...PricingCareersPhone NumbersSMSWhatsApp Business API
  13. [13]
    Why Twilio (TWLO) Is Poised For More Upside And Investors Should ...
    Dec 31, 2024 · The company operates on a pay-as-you-go pricing model, with messaging services and voice services representing the majority of total revenue.<|separator|>
  14. [14]
    Everything To Know About Twilio's Business Model - Insider POV
    May 3, 2023 · The core of Twilio's business strategy is to equip developers with simple communication APIs and a full suite of products and services for ...
  15. [15]
    Programmable Messaging API | Twilio
    Integrate one API to send and receive transactional SMS, MMS, and WhatsApp messages to customers globally. Build business messaging solutions for alerts and ...
  16. [16]
    Programmable Messaging - Twilio
    Everything you need to get started sending SMS and WhatsApp messages with Programmable Messaging. Quickstarts, sample code, & tutorials for many use cases.
  17. [17]
    Programmable Voice API Overview - Twilio
    Twilio's Voice API helps make, receive, and monitor calls, modify calls, and query metadata. It also allows for call routing and programmatic call management.Call resource · Recordings resource · Conferences resource · Queues resource
  18. [18]
    How Twilio's developer-led business model enabled a ... - WorkOS
    Dec 23, 2020 · Twilio built a business model that started with individual developers and expanded into massive enterprise sales. Learn how they did it––and how you can too.
  19. [19]
    How Twilio Does Product-Led Revenue - Reprise
    Apr 22, 2025 · Twilio's pricing model is usage-based. Their customers typically pay for the messages/voicemails/emails they send. That works really well for ...
  20. [20]
    Twilio Announces CEO Transition
    Jan 8, 2024 · Khozema Shipchandler Appointed CEO Jeff Lawson Steps Down as CEO and from the Twilio Board of Directors Jeff Epstein Appointed Chair of the ...
  21. [21]
    Twilio CEO Lawson steps down after bruising activist battles - CNBC
    Jan 8, 2024 · Twilio co-founder Jeff Lawson on Monday said he is stepping down as CEO of the enterprise communications software company.Missing: date | Show results with:date
  22. [22]
    Khozema Shipchandler - Twilio SIGNAL
    Khozema Shipchandler is the Chief Executive Officer of Twilio and brings over 25 years of experience. Khozema most recently served as the President of Twilio ...
  23. [23]
    Twilio Appoints Andy Stafman to Board of Directors
    Apr 1, 2024 · It has appointed Andy Stafman, a partner at Sachem Head Capital Management LP (“Sachem Head”), to the company's Board of Directors, effective immediately.
  24. [24]
    Twilio Appoints Charlie Bell to Twilio Board of Directors
    Charlie Bell has been appointed to the Twilio Board of Directors, effective March 28, 2023. Bell is a member of Microsoft's Senior Leadership Team.
  25. [25]
    Committee Composition | Twilio Inc.
    Committee Composition ; Jeff Epstein Chair of the Board, Chair of the Audit Committee, Member of the Compensation and Talent Management Committee ; Charlie Bell ...
  26. [26]
    Twilio Announces Second Quarter 2025 Results
    Aug 7, 2025 · 5,466 employees as of June 30, 2025 . Dollars in millions, except per share amounts. Q2 2025. Results. Revenue. $1,228. Y/Y Revenue Growth. 13%.
  27. [27]
    Employee Data and Trends for Twilio - Unify
    Aug 26, 2025 · Engineering is Twilio's largest group at 2,219 employees, accounting for roughly 45 % of total staff and reflecting the company's product-driven ...<|separator|>
  28. [28]
    The process: How Twilio scaled its engineering structure - Increment
    This organizational structure has allowed us to scale rapidly and to continuously ship communications solutions that put customer needs front and center.
  29. [29]
    How Twilio went from Silicon Valley underdog to communication ...
    Apr 20, 2023 · The idea of Twilio came to Jeff Lawson, the co-founder and CEO of the company, when he was still working as the CTO of StubHub.
  30. [30]
    Twilio | Cloud Computing | Company Profile | - StartupTalky
    Jan 8, 2021 · Twilio was founded in 2008 by Jeff Lawson, Evan Cooke, and John Wolthuis and was originally based in both Seattle, Washington, and San Francisco ...<|separator|>
  31. [31]
    History of the Twilio brand - SaveMyLeads
    Jun 17, 2022 · In November 2008, the company launched Twilio Voice, a product that ... 2015 was marked by a $130 million E round from Fidelity, T Rowe ...
  32. [32]
    The Insider Story of Twilio - NFX
    and now a $63 Billion market cap.Missing: 2008-2015 | Show results with:2008-2015
  33. [33]
    [PDF] UNITED STATES SECURITIES AND EXCHANGE COMMISSION ...
    Feb 12, 2016 · We were founded and launched our first product in 2008. As a result ... In 2013, we launched Twilio MMS, allowing our customers to exchange ...
  34. [34]
    Twilio - Bessemer Venture Partners
    The company is currently seeking a full $3m Series A but we'd like to see market validation of the new features they are rolling out and the sales impact of the ...
  35. [35]
    Announcing $3.7M in Venture Capital Investment Raised | Twilio
    Dec 30, 2009 · We're proud to announce that we have closed a round of funding, raising $3.7M to expand our product development, sales, and marketing efforts.Missing: date | Show results with:date
  36. [36]
    Twilio Raises $12 Million For Powerful Telephony API - TechCrunch
    Nov 9, 2010 · Startup Twilio has raised $12 million in Series B funding led by Bessemer Venture Partners, and including Union Square Ventures, 500 ...
  37. [37]
    Twilio Passes A Milestone: 100,000 Developers For Its VoIP, SMS ...
    Jun 5, 2012 · Twilio, the San Francisco-based startup that powers all kinds of phone-like applications on the web and mobile, just passed 100,000 ...
  38. [38]
    Twilio Announces New Products For Building Business Critical ...
    Sep 18, 2013 · Twilio SIP allows organizations to tie their legacy infrastructure to the cloud, while new monitoring tools maximize reliability and performance ...<|separator|>
  39. [39]
    Twilio Inc - SEC.gov
    We will remain an emerging growth company until the earlier of (1) December 31, 2021 (the last day of the fiscal year following the fifth anniversary of our ...
  40. [40]
    Twilio soars almost 92% in first day of trading - CNBC
    Jun 23, 2016 · Twilio's initial public offering marks the first U.S. venture-backed tech IPO of 2016. It entered the market on a day filled with uncertainty ...
  41. [41]
    Twilio Announces Fourth Quarter and Full Year 2017 Results
    - Total revenue of $399.0 million for the full year 2017, up 44% from the full year 2016. - Base revenue of $365.5 million for the full year 2017, up 49% from ...Missing: exact | Show results with:exact
  42. [42]
    [PDF] 2019 Annual Report - Investor Relations - Twilio
    May 29, 2019 · Crossed the $1 billion revenue mark, reporting total revenue of $1.13 billion for the full year 2019, up 75% year-over-year, which includes ...
  43. [43]
    [PDF] Q4'21 Earnings Presentation_final - Twilio Investor Relations
    Feb 9, 2022 · Under the definition for historical periods through Dec 31, 2019, the dollar-based net expansion rate was 124%. 2 Includes revenue from the ...
  44. [44]
    Twilio Completes Acquisition of SendGrid
    Feb 1, 2019 · Twilio acquired SendGrid for approximately $3 billion, with SendGrid now a subsidiary. Twilio aims to provide a complete customer engagement ...Missing: list 2016-2019
  45. [45]
  46. [46]
    Twilio Inc. - SEC.gov
    ... revenue in 2017, compared to $233.9 million, or 84%, and $43.4 million, or 16%, respectively, of total revenue in 2016. The increase in international revenue ...
  47. [47]
    Twilio shares pop 20%, biggest gain since 2020 on growth forecast
    Jan 24, 2025 · The stock surged more than 240% in 2020. But in 2022, the stock lost more than 80% of its value as investor focus shifted to profit over growth ...Missing: challenges | Show results with:challenges
  48. [48]
    Twilio (TWLO): Buy, Sell, or Hold Post Q2 Earnings? - Yahoo Finance
    Sep 10, 2025 · Over the last three years, Twilio grew its sales at a 11.6% annual rate. Although this growth is acceptable on an absolute basis, it fell short ...
  49. [49]
    Twilio: A Potential Winner Of The AI Market Melt Up (NYSE:TWLO)
    Jul 1, 2025 · In Twilio's case, the most worrying challenge I see is their continuous gross margin decline. In their earnings call, they claimed a higher mix ...
  50. [50]
    Twilio lays off 11% of its staff as it aims for profitability in 2023
    Sep 14, 2022 · Twilio has announced that it will lay off 11% of its workforce as it looks to streamline its operations, aiming for profitability in 2023.
  51. [51]
    Restructuring Twilio, and reducing the size of our team
    Feb 13, 2023 · We're parting ways with approximately 17% of our team. This is upsetting to be sure, so I want to share with you the reasons for making this tough decision.
  52. [52]
    Twilio CEO Departs Following Layoffs, Investor Concerns - CRN
    Jan 8, 2024 · In September 2022, Twilio announced it would be laying off nearly 1,000 employees in a move to increase profits and core priorities. Then in ...
  53. [53]
    Twilio Announces Second Quarter 2025 Results
    Aug 7, 2025 · Second Quarter 2025 Financial Highlights​​ Total organic revenue growth of 13% year-over-year. Communications organic revenue growth of 14% year- ...Missing: 2020-2025 | Show results with:2020-2025
  54. [54]
    Twilio (NYSE:TWLO) - Earnings & Revenue Performance
    Revenues have been growing at an average rate of 19.7% per year. Twilio's return on equity is 0.3%, and it has net margins of 0.4%.
  55. [55]
    Twilio: Growth Challenges Keep Me Neutral - Seeking Alpha
    Jan 23, 2025 · Revenue Growth Rates Could Deliver 10% Y/Y Growth in 2025​​ Twilio posted rather good Q3 2024 revenue growth rates of 10% y/y. Also, since Twilio ...
  56. [56]
    Twilio API overview
    With the Twilio APIs, you can build applications that help your users send messages, make phone calls, look up phone numbers, and more. In Twilio's ecosystem, ...
  57. [57]
    Programmable Voice - Twilio
    With just a few lines of code, you'll make your first outgoing phone call with the Voice API. Add a few more and your app can respond to incoming callers.Making Calls · Voice SDKs · Voice API · TwiML
  58. [58]
    Messaging API Overview | Twilio
    Use the Programmable Messaging REST API to send and receive SMS, MMS, and WhatsApp messages, track delivery status, and manage message media and history.Messages resource · Services resource · PhoneNumbers subresource
  59. [59]
    Programmable Video REST API - Twilio
    The Programmable Video REST API allows you to control your video applications from your back-end server via HTTP requests. You can create and complete Rooms ...
  60. [60]
    Video API | Twilio
    Build two-way video calls, chats, and conferencing to connect with customers and respond in real-time with the convenience of a digital interaction.
  61. [61]
    Twilio Conversations
    Twilio Conversations is an omni-channel messaging platform that allows you to build engaging conversational messaging experiences across many channels.Connecting Twilio Studio to... · The Conversations API Overview · OverviewMissing: Communication | Show results with:Communication<|separator|>
  62. [62]
    Product, services, features - Twilio
    Twilio Products · Communications · Customer data · Authentication · Conversational AI · Builder tools · Support and services · See what's in beta · Build now, buy later.
  63. [63]
    Customer Engagement Platform | Twilio
    Connect communication channels, contextual data, and integrated AI-driven workflows all in one place and reimagine the way you build interactions.
  64. [64]
    Twilio Flex - Digital Engagement
    Twilio Flex is a digital engagement center that now offers a real-time data layer and AI capabilities so you can individually tailor every sales and service ...See pricing · View interactive demo · Contact center · Digital conciergeMissing: Frontline | Show results with:Frontline
  65. [65]
    Twilio Flex Review: The Ultimate Contact Center Guide - Zing Dev
    Apr 4, 2025 · Twilio Flex offers customizable, scalable solutions for contact centers · It supports a wide range of communication channels, enhancing customer ...<|separator|>
  66. [66]
    The top 5 apps and software to integrate with your contact center
    Sep 12, 2023 · 1. Customer data platforms (CDPs) · 2. AI tools · 3. Messaging applications · 4. Translation platforms · 5. Workflow automation platforms ...Customer data platforms (CDPs) · AI tools · Translation platforms
  67. [67]
    The Omnichannel Customer Engagement Tool | Twilio Segment
    Twilio Engage empowers marketers to drive brand growth, build and optimize personalized omnichannel campaigns and better engage customers for acquisition, ...Missing: Flex | Show results with:Flex
  68. [68]
    Twilio Unveils Advanced AI Tools for Customer Engagement
    Aug 23, 2023 · Twilio's Segment B2B Edition with Linked Profiles. Allows businesses to integrate diverse data sets, such as company accounts and subscriptions, ...
  69. [69]
    Introducing Twilio Engage, the First Growth Automation Platform for ...
    Oct 20, 2021 · Twilio Engage is the first of its kind: a growth automation platform built on real-time, dynamically changing first-party customer data that ...
  70. [70]
    Real-Time Signals, Richer Personalization, Remarkable Experiences
    Jul 15, 2025 · Twilio Engage turns your data into context-rich intent signals and makes journeys real time so you can unlock amazing customer ...Missing: Frontline | Show results with:Frontline
  71. [71]
    Engage | Twilio
    The Twilio Segment CDP is proven and trusted at scale. Begin creating precise, personalized customer engagement today with a free Twilio Segment account.Missing: Frontline | Show results with:Frontline
  72. [72]
    Introducing Twilio Frontline: A Digital Relationship Builder for Every ...
    Sep 30, 2020 · Twilio Frontline can be used by a team of store employees to serve customers looking to make a sale or ask a question, or by relationship managers via a ...
  73. [73]
    5 Low Code/No Code Tools You Can Use to Send Twilio SMS
    Aug 24, 2022 · 5 Low Code/No Code Tools You Can Use to Send Twilio SMS · Overview · Twilio Studio · Airtable · Google Sheets · Zapier · Twilio Code Exchange · Summary.
  74. [74]
    Twilio - GitHub
    Twilio has 228 repositories available. Follow their code on GitHub ... Open Source. GitHub Sponsors. Fund open source developers · The ReadME Project.Node.js helper library · Repositories 226 · Twilio PHP · Twilio Python
  75. [75]
    SDKs - Twilio
    Easily use Twilio APIs in the programming language of your choice. Download and install helpers for Node.js, Python, Go, PHP, iOS, Android, C#, and more.Missing: source | Show results with:source
  76. [76]
    Open Source at Twilio
    Twilio is always looking for ways to assist and contribute to open source. See our current open source projects and learn how you can get involved.Missing: initiatives | Show results with:initiatives
  77. [77]
    Twilio Labs
    Twilio Labs host a variety of open-source projects that were developed by people at Twilio and the community. Every one of these projects welcomes contributionsMissing: initiatives | Show results with:initiatives
  78. [78]
    Twilio Labs - GitHub
    Twilio Labs. Open-Source Projects by Twilions and the Community. Verified.
  79. [79]
    OpenVBX is a web-based open source phone system for business.
    Mar 4, 2021 · Twilio requires a valid SSL certificate if you want to use HTTPS. Self signed certificates are not supported. See https://www.twilio.com/docs/ ...
  80. [80]
    Twilio Releases OpenVBX, An Open Source Google Voice For ...
    Even better: OpenVBX allows for the integration of plugins, allowing you to connect your phone system to other web services. One plugin Twilio ...
  81. [81]
    Learn How to Contribute to Open Source - Twilio
    Oct 1, 2019 · The mission will guide you through contributing to the Open Pixel Art project from signing up to GitHub, over what a fork or pull request is, ...Missing: initiatives | Show results with:initiatives
  82. [82]
    Twilio Completes Acquisition of Segment, the Market-leading ...
    Nov 2, 2020 · Twilio acquired Segment for $3.2 billion to create a single view of the customer, break down data silos, and provide a single platform for ...Missing: list 2016-2019
  83. [83]
    Twilio to Acquire Zipwhip, a Trusted Partner to Carriers & a Leading ...
    May 17, 2021 · Twilio will acquire Zipwhip for approximately $850 million in an equal blend of cash and stock. Zipwhip will become part of Twilio's Messaging Business Unit ...
  84. [84]
    Twilio Completes Acquisition of Zipwhip, a Leading Provider of Toll ...
    Jul 14, 2021 · Twilio acquired Zipwhip to strengthen its messaging business, valued at $850 million, and to provide another affordable, trusted messaging ...
  85. [85]
    Twilio Acquires Ytica
    Twilio acquired Ytica, a contact center software provider, to integrate its WFO technology into Twilio Flex, offering pre-integrated WFO.Missing: list 2016-2019<|control11|><|separator|>
  86. [86]
    List of 11 Acquisitions by Twilio (Sep 2025) - Tracxn
    Sep 6, 2025 · Twilio has made a total of 11 acquisitions. The peak acquisition years were 2021 and 2018, with 3 acquisitions each, followed by 2020 with 2 ...
  87. [87]
    Quick Thoughts on Twilio Acquiring SendGrid - Bowery Capital
    Dec 4, 2020 · The deal is expected to close in the first half of 2019, leaving Twilio with over $730M in annual revenue and a total addressable market of $66B ...
  88. [88]
    Why Twilio Acquired Segment? | Rudderstack.com
    Oct 11, 2020 · Twilio acquired Segment to move from low-margin API business to a unified customer engagement platform, build a marketing cloud, and gain a ...
  89. [89]
    Twilio's Segment Acquisition Could Position the Firm as a Leading ...
    Nov 20, 2020 · Looking ahead, Twilio plans to build additional tools on top of Segment's CDP, but some Segment features will integrate with Twilio over time.
  90. [90]
    After acquiring Zipwhip for $850M last year, Twilio will shut down ...
    Nov 1, 2022 · According to the latest update on Zipwhip's support page, the business texting service will permanently shut down on Dec. 1, 2023. Twilio ...
  91. [91]
    Twilio Revenue 2014-2025 | TWLO - Macrotrends
    Twilio annual revenue for 2024 was $4.458B, a 7.32% increase from 2023. Twilio annual revenue for 2023 was $4.154B, a 8.56% increase from 2022.
  92. [92]
  93. [93]
    Twilio Net Income/Loss 2014-2025 | TWLO - Macrotrends
    Twilio annual net income/loss for 2024 was $-0.109B, a 89.23% decline from 2023. Twilio annual net income/loss for 2023 was $-1.015B, a 19.16% decline from 2022 ...
  94. [94]
    Twilio Gross Profit 2014-2025 | TWLO - Macrotrends
    Twilio annual gross profit for 2024 was $2.278B, a 11.46% increase from 2023. · Twilio annual gross profit for 2023 was $2.044B, a 12.7% increase from 2022.Missing: performance growth profitability
  95. [95]
    Twilio Announces Fourth Quarter and Full Year 2024 Results
    Feb 13, 2025 · Fourth Quarter Revenue of $1.19 billion, up 11% reported year-over-year; Full Year Revenue of $4.46 billion, up 7% reported and 9% organic ...Missing: 2020-2024 | Show results with:2020-2024
  96. [96]
    Twilio (TWLO) - Stock price history - Companies Market Cap
    Stock price history for Twilio (TWLO). Highest end of day price: $443.49 USD on 2021-02-18. Lowest end of day price: $23.17 USD on 2017-05-09.
  97. [97]
    Twilio - 9 Year Stock Price History | TWLO - Macrotrends
    The latest closing stock price for Twilio as of October 24, 2025 is 112.56. An investor who bought $1,000 worth of Twilio stock at the IPO in 2016 would ...
  98. [98]
    Twilio Inc. (TWLO) Stock Historical Prices & Data - Yahoo Finance
    Volume. Oct 24, 2025, 112.00, 113.69, 111.54, 112.56, 112.56, 1,272,000. Oct 23, 2025, 108.88, 111.53, 108.88, 110.82, 110.82, 1,131,500.
  99. [99]
    Twilio Inc. (TWLO) Stock Price, Quote, News & Analysis
    Twilio Inc.'s revenue estimate for 2025 is $4.94B. The latest low revenue estimate is $4.9B and the high revenue estimate is $5.03B. Learn more about Twilio Inc ...Earnings · Peers · AnalysisAnalysis · Quant Rating
  100. [100]
    Twilio Inc. (TWLO) Stock Price, News, Quote & History
    Performance Overview: TWLO​​ Trailing total returns as of 10/22/2025, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .
  101. [101]
    Twilio (TWLO) Earnings: Latest Report, Earnings Call & Financials
    For Q2 2025, Twilio (TWLO) reported an EPS of $1.19, exceeding analysts' estimate of $0.76 by 56.58%. Did Twilio (TWLO) beat earnings expectations?Missing: net | Show results with:net
  102. [102]
    Why Twilio (TWLO) Stock Is Trading Lower Today - Yahoo Finance
    Aug 8, 2025 · Shares of cloud communications infrastructure company Twilio (NYSE:TWLO) fell 18.3% in the afternoon session after the company reported ...Missing: 2020-2025 | Show results with:2020-2025
  103. [103]
    Twilio (TWLO) - Market capitalization - Companies Market Cap
    As of October 2025 Twilio has a market cap of $17.27 Billion USD. This makes Twilio the world's 1245th most valuable company according to our data.
  104. [104]
    Twilio Inc. (TWLO) Valuation Measures & Financial Statistics
    Revenue (ttm), 4.73B ; Revenue Per Share (ttm), 30.56 ; Quarterly Revenue Growth (yoy), 13.50% ; Gross Profit (ttm), 2.36B ; EBITDA, 282.18M.
  105. [105]
    NYSE: TWLO - Twilio stock analysis and financials - FullRatio
    TWLO's P/S is 62% below its 5-year quarterly average of 9.3 but 4.1% above its last 4 quarters average of 3.4 · The company's revenue rose by 12% YoY and by 3.2% ...
  106. [106]
    Why Twilio Shares Sank Today | The Motley Fool
    Aug 8, 2025 · However, the lack of generally accepted accounting principles (GAAP) profitability may hamper the stock's ability to get back close to its 2021 ...Missing: 2020-2025 | Show results with:2020-2025
  107. [107]
    Twilio might actually deserve activist investor attention - TechCrunch
    Dec 5, 2023 · The company has experienced a long plunge to around $66 a share. That kind of performance tends to get the attention of activist investors.
  108. [108]
    Activist investors and tech: Firms including Elliott and ValueAct are ...
    Mar 21, 2024 · Twilio's activists, a group which includes Legion Partners and Anson Funds, have been pushing either for a sale of the entire company or assets ...
  109. [109]
    Twilio hires Qatalyst to advise on shareholder, activist defense - CNBC
    Dec 13, 2023 · Twilio has hired Qatalyst Partners, the investment bank founded by Frank Quattrone, to advise on its defense against a group of activist investors.
  110. [110]
    Twilio Inc. (TWLO) Faces Activist Pressure By Sachem Head Capital
    Aug 14, 2024 · In aggressive cases, activist investors can push for the sale of the entire business or some part of the business to generate shareholder value.
  111. [111]
    Twilio Appeases Activist Investors with New Addition to Its Board of ...
    Apr 3, 2024 · Twilio has appointed Andy Stafman, a Partner at Sachem Head Capital Management LP, to its Board, effective immediately.
  112. [112]
    Twilio board shakeup prompts renewed activist scrutiny - CNBC
    Apr 4, 2024 · Twilio made drastic changes to its board and governance that are now prompting fresh scrutiny and attention from an activist investor.<|control11|><|separator|>
  113. [113]
    Feared Activist Hedge Fund Sachem Head Capital Pressures Twilio ...
    Aug 16, 2024 · Activist investors are a force to reckon with, given their profound impact on companies worldwide and their influence on investor's actions.<|separator|>
  114. [114]
    Twilio fell victim to a text messages social engineering attack
    Aug 9, 2022 · Cloud-based communication platform provider Twilio has announced a breach via a social engineering attack on employees. On August 4, 2022, ...<|separator|>
  115. [115]
    Twilio reveals hackers compromised its systems a month earlier ...
    Readers will recall that cloud communications firm Twilio disclosed on August 7 2022 that hackers had accessed user data following a sophisticated social ...Missing: controversies | Show results with:controversies
  116. [116]
    Okta, Lastpass, Cisco, Twilio: Lessons Learned from Recent Attacks
    In August 2022, attackers accessed Twilio customer accounts using a “sophisticated social engineering attack designed to steal employee credentials." Twilio was ...
  117. [117]
    Twilio Incident: What Signal Users Need to Know
    In the summer of 2022, Twilio, the company that provides Signal with phone number verification services, suffered a phishing attack.
  118. [118]
    The Biggest Data Breaches in 2022 and What We Can Learn From ...
    Rating 9.2/10 (18) Twilio, a customer engagement management company providing several communication, authentication, and engagement platforms, was hacked through voice phishing.
  119. [119]
    Security Alert: Update to the Authy Android (v25.1.0) and iOS App ...
    Twilio has detected that threat actors were able to identify data associated with Authy accounts, including phone numbers, due to an unauthenticated endpoint.
  120. [120]
    Twilio Authy Data Breach: 33 Million Phone Numbers Compromised
    Jul 10, 2024 · In 2022, Twilio experienced another data breach when a group of hackers accessed the data of more than 100 commercial customers. The hackers ...
  121. [121]
    Twilio's Authy Breach: Attack via an Unsecured API Endpoint
    Twilio's Authy app has suffered a significant breach, exposing 33 million phone numbers. The attack by an adversary named ShinyHunters, who leaked a CSV text ...
  122. [122]
    Twilio hacked by phishing campaign - TechCrunch
    Aug 8, 2022 · Communications giant Twilio has confirmed hackers accessed customer data after successfully tricking employees into handing over their corporate login ...
  123. [123]
    Oktapus attack on Twilio exposes data of 163 companies
    The phishing attack that led to a data breach for communications company Twilio has led to 163 companies, each with hundreds of customers of their own, ...<|separator|>
  124. [124]
    Twilio Under Investigation for Data Breach of Over 33 Million Authy ...
    Jul 8, 2024 · We are investigating a data breach impacting the private information of 33.4 million users of Authy, a multifactor authentication (“MFA”) ...
  125. [125]
    Twilio says hackers identified cell phone numbers of two-factor app ...
    Jul 3, 2024 · In 2022, Twilio suffered a larger data breach, when a group of hackers accessed the data of more than 100 company customers. The hackers then ...Missing: lawsuits | Show results with:lawsuits
  126. [126]
    PRIVACY ALERT: Twilio Under Investigation for Data Breach of ...
    Jul 8, 2024 · Schubert Jonckheer & Kolbe LLP today announced a $1,900,000 settlement in a California consumer class-action against Radio Systems Corporation..
  127. [127]
    twlo-20241231 - SEC.gov
    Information about geographic revenue is set forth in Note 16 of our Notes to Consolidated Financial Statements included in Part II, Item 8, “Financial ...
  128. [128]
    FCC Issues Robocall Cease-and-Desist Letter to Twilio
    Jan 24, 2023 · The FCC issued a cease-and-desist letter to Twilio Inc. for apparently transmitting illegal robocall traffic.
  129. [129]
    Vonage & Twilio Are In Hot Water for Breaching Australian Anti ...
    Oct 18, 2023 · The Australian Communications and Media Authority (ACMA) has taken action against Vonage and Twilio for breaching its SMS anti-scam regulations.
  130. [130]
    Twilio discloses more victims as phishing attack effects cascade
    Aug 29, 2022 · Twilio previously said the attack impacted 125 customers. Twilio said it made multiple internal security improvements following the attack.
  131. [131]
    Twilio Breach: Lessons and Best Practices for Securing SaaS Apps
    Jan 20, 2025 · Recently, Twilio confirmed a significant data breach impacting its Authy two-factor authentication (2FA) app, exposing the phone numbers of ...Missing: controversies | Show results with:controversies
  132. [132]
    Twilio Authy users should prepare for SIM Swap attacks - SHUSH.pw
    Jul 8, 2024 · Since these users are known Twilio Authy users, they are now highly likely to receive attacks with fake SMS OTP requests with malicious links.Missing: effects | Show results with:effects
  133. [133]
    Twilio Disputes Reports of a Data Hack Impacting ... - CX Today
    Apr 4, 2025 · The alleged hack includes the leaking and selling of data on 848,000 customers. Twilio has denied the claims, shared on Hackread, and issued the ...
  134. [134]
    Everything You Need to Know About the Alleged Twilio SendGrid ...
    Apr 4, 2025 · On April 3, 2025, Satanic announced on BreachForums that they were in possession of a dataset allegedly obtained from Twilio SendGrid...
  135. [135]
    Twilio (TWLO) Data Breach Impacts 848,000 Customers - GuruFocus
    Apr 3, 2025 · Twilio's SendGrid platform suffered a major data breach, affecting 848,000 customers. Analysts predict a potential 58.37% upside for Twilio from ...<|separator|>
  136. [136]
    Twilio Data Breach: What Happened & How To Protect Yourself
    Oct 10, 2025 · Learn about the Twilio data breach, what data was exposed, and how to protect your accounts from phishing, SIM swaps, and identity theft.
  137. [137]
    Top Twilio Alternatives for 2025 to Cut Costs & Simplify Use
    Mar 4, 2025 · Find out how top Twilio alternatives, Telnyx, Sinch, and Bandwidth, outperform Twilio for messaging, communication, ease of use, and budget-friendly pricing.
  138. [138]
    The 11 Best Twilio Alternatives for 2026 - Ringover
    Rating 5.0 (2) Nov 5, 2024 · List: Top 10 Twilio Competitors · 1. Ringover · 2. Mirrorfly · 3. Vonage · 4. Plivo · 5. Sinch · 6. Bandwidth · 7. Telnyx · 8. Infobip.
  139. [139]
    Top 10 Twilio Competitors for OTP & SMS APIs (2025) - Prelude.so
    May 16, 2025 · Twilio competitors ranked (Top 10) · 1. Prelude · 2. Plivo · 3. MessageBird · 4. Sinch · 5. Vonage (Nexmo) · 6. Infobip · 7. Bandwidth · 8.
  140. [140]
  141. [141]
    Top 10 Twilio Alternatives in 2025 (Better + Affordable) - AiSensy
    Oct 17, 2025 · Looking for Twilio alternatives? Discover the 10 best messaging API platforms for WhatsApp automation, CRM integration, and better pricing.❌ Cons Of Twilio · Top 10 Best Twilio... · 4. Gupshup<|separator|>
  142. [142]
    Twilio's Growth Story Faces High Hopes And High Hurdles - Finimize
    But both Gartner and IDC rank Twilio as a true leader, packing a 24.2% market share in CPaaS and holding a prime spot in B2C Customer Data Platforms. Twilio's ...
  143. [143]
    CPaaS MetriRank 2025: Twilio Keeps Top Spot - Metrigy
    In this, our third-annual CPaaS MetriRank report, Twilio once again takes the top spot. It remains the uncontested market share leader and sits atop the list on ...
  144. [144]
    CPaaS Maintaining Strong Growth Despite Macroeconomic ...
    Oct 11, 2023 · Twilio is, and has been the clear worldwide market share leader with over 35% market share for many quarters. There is a fierce competition for ...
  145. [145]
    Twilio Named a Leader for the Fifth Time in IDC Marketscape for ...
    Feb 18, 2025 · For the fifth time, Twilio has been recognized as a Leader in the IDC MarketScape: Worldwide Communications Platform as a Service (CPaaS) 2025 Vendor ...The communications platform... · commitment to the builder...
  146. [146]
    2024 Gartner Magic Quadrant for CPaaS | Twilio
    Twilio was named a Leader in the 2024 Gartner Magic Quadrant for CPaaS, positioned highest for Ability to Execute and ranked #1 in four of six Critical ...
  147. [147]
    Leading in CPaaS, CEP, and CDP: Why the Future of Customer ...
    May 13, 2025 · Twilio has been named a leader in three categories across the Omdia Universe reports: Communications Platform as a Service (CPaaS), Customer Data Platforms ( ...Missing: position | Show results with:position
  148. [148]
    Twilio Recognized as a Leader in the 2025 Gartner® Magic ...
    Twilio delivers trusted communications and data-driven engagement for more than 335,000 active customer accounts and over 10 million developers worldwide.
  149. [149]
    Twilio Outage History - StatusGator
    Explore a complete history of Twilio outages from 2020–2025. Verified incidents, root causes, impact summaries, and expert status analysis from StatusGator.Missing: criticisms | Show results with:criticisms
  150. [150]
    Page 2 | Twilio Reviews 2025. Verified Reviews, Pros & Cons
    Rating 4.4 (493) Very negative. Many of the reliability issues we have experienced with Twilio are easily reproducible and solvable but Twilio does not invest in resolving these ...
  151. [151]
    Twilio Software Reviews, Pros and Cons
    Rating 4.4 (493) "Reliability issues wouldn't be a significant issue if their support team had product expertise and the capability to resolve issues but having worked with ...
  152. [152]
    Read Customer Service Reviews of www.twilio.com - Trustpilot
    Rating 1.1 (758) Oct 16, 2025 · Twilio are complete and utter vermin. Why can't I give no stars? They should be shut down, and why Ofcom cannot see that is utterly beyond me.
  153. [153]
    The Challenges of In-House Twilio Flex Builds and Scaling - Zing Dev
    Jun 17, 2025 · A UI that was passable for 20 users may not hold up for 500. Performance issues, cluttered layouts, and manual workflows create inefficiencies.Missing: criticisms | Show results with:criticisms
  154. [154]
    Twilio Pros and Cons | User Likes & Dislikes - G2
    Users face a difficult configuration process with Twilio, struggling with unclear documentation and slow support response times. See 5 mentions. See Related ...Missing: feedback | Show results with:feedback
  155. [155]
    Cost scalability problems : r/twilio - Reddit
    Apr 28, 2020 · The cost of a service like Twilio is really holding me back. It's nearly 1 cent per SMS sent/received, and volume pricing is not that much cheaper and only ...Anybody play with or use Twilio recently? Why does it feel ... - RedditI'm developing an app. Twilio is the bane of my existence - RedditMore results from www.reddit.comMissing: feedback | Show results with:feedback
  156. [156]
    Sendgrid/Twilio has the WORST interface. How can a multi-billion ...
    Mar 7, 2025 · Their interfaces are painfully slow and glitchy, with constant flashing and redirecting that disrupts workflow. The login process is inexcusably time-consuming.Missing: criticisms reliability
  157. [157]
    What is Twilio? An introduction to the leading customer engagement ...
    For well over a decade, we've been known for democratizing channels like voice, text, chat, video, and email through APIs, giving organizations the tools to ...
  158. [158]
    What is Twilio's business model? | Vizologi
    Founded in 2007, Twilio was born out of a vision to democratize communication technologies. The company's mission is to fuel the future of communications by ...
  159. [159]
    Twilio Communications platform CPaaS
    Twilio is again named a Leader in the 2025 Magic Quadrant for CPaaS by Gartner* ; 157B+. messages sent/received annually ; 1.7T+. emails sent annually ; 4.5B+.
  160. [160]
    Twilio named a Leader in the 2025 ®Gartner Magic Quadrant™ for ...
    Jul 9, 2025 · For the third consecutive year, Twilio is named a Leader in 2025 ®Gartner Magic Quadrant™ for Communications Platform as a Service (CPaaS).Missing: position | Show results with:position
  161. [161]
    Impact of Twilio on Communication through Software and Cloud
    Programmable messaging – Twilio SMS integration has become popular because of the surge in dependency on chats and messages for making communications. After all ...
  162. [162]
    Twilio + Domo: Official Partner Overview
    Twilio has democratized communications channels like voice, text, chat, and video by virtualizing the world's telecommunications infrastructure through APIs ...